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P1233 Fuel pump 2 drive circuit fault
ECM to fuel pump 2 module control drive circuit; Fuel pump 2 module failure
For fuel pump 2 module tests, Fuel Tank and Lines - 4.2L NA V8 - AJV8/4.2L SC V8 - AJV8/3.0L NA V6 - AJ27/3.5L NA V8 - AJV8, VIN Range: G00442->G45703
P1234 No fuel pump commands received by ECM
ECM to rear electronic module (REM) drive REM failure
For fuel pump module tests, Fuel Tank and Lines - 4.2L NA V8 - AJV8/4.2L SC V8 - AJV8/3.0L NA V6 - AJ27/3.5L NA V8 - AJV8, VIN Range: G00442->G45703
P1236 Fuel pump not activated when requested by ECM
ECM to rear electronic module (REM) drive REM failure
For fuel pump module tests, Fuel Tank and Lines - 4.2L NA V8 - AJV8/4.2L SC V8 - AJV8/3.0L NA V6 - AJ27/3.5L NA V8 - AJV8, VIN Range: G00442->G45703
P1240 Sensor power supply circuit malfunction
ECM to sensors supply voltage circuit(s); short
For sensor supply tests, GO to Pinpoint Test G258127p25.
P1241 Sensor power supply circuit low voltage
ECM to sensors supply voltage circuit(s); short
For sensor supply tests, GO to Pinpoint Test G258127p25.
P1242 Sensor power supply circuit high voltage
ECM to sensors supply voltage circuit(s); open
For sensor supply tests, GO to Pinpoint Test G258127p25.
P1243 Sensor ground circuits open circuit
ECM to sensors ground circuit; open circuit,
For sensor ground tests, GO to Pinpoint Test G258127p26.
P1245 Engine crank signal low voltage
Ignition switch to ECM circuit; open circuit Ignition switch failure
For crank signal tests, GO to Pinpoint Test G258127p27.
P1246 Engine crank signal high voltage
Ignition switch to ECM circuit; short circuit to Ignition switch failure
For crank signal tests, GO to Pinpoint Test G258127p27.
P1250 Throttle valve return Throttle return spring INSTALL a new throttle body. |